Plants in rockwool

I just re did a 30 gallon tank with a flourite substrate. I thought the substrate was coarse so I planted a group of foregroune plants with a bit of rockwool attached. I separated the plants in the pots with the rockwool into small clumps with just enough rockwool to keep the roots in place. I buried them in the substrate. Is this a potential problem ? I know there may be hydroponic nutrients embedded in the rockwool.

BTW how dusty is flourite. I washed each 5lbs for at least 5 min and it was still dirty. I was able to clear the tank with a flocculent, but if I vacuum even lightly the tank gets very cloudy.

Hey Henry, I don't know regarding the rockwool but regular flourite is a pain to clean. It is very dusty and does have a tendency to cloud the water when vacuuming. On the other hand Flourite Black sand isn't cloudy at all. I didn't even rinse the gravel and it barely had any impact on the water clarity when I filled my tank up. I think Flourite black is also similar in that it isn't very dusty.

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